new style of property/function callbacks

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 2093dbb29295db0389cb3ca1e50c506cf822347f..b4f962c1415544ca8812ab299a4cc27d9279cd6c 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -805,66 +805,211 @@ THREADED_TEST(GlobalProperties) {
 }
 
 
+template<typename T>
+static void CheckReturnValue(const T& t) {
+  v8::ReturnValue<v8::Value> rv = t.GetReturnValue();
+  i::Object** o = *reinterpret_cast<i::Object***>(&rv);
+  CHECK_EQ(t.GetIsolate(), v8::Isolate::GetCurrent());
+  CHECK((*o)->IsTheHole() || (*o)->IsUndefined());
+}
+
 static v8::Handle<Value> handle_call(const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
+  args.GetReturnValue().Set(v8_str("bad value"));
   return v8_num(102);
 }
 
+static v8::Handle<Value> handle_call_indirect(const v8::Arguments& args) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
+  args.GetReturnValue().Set(v8_str("bad value"));
+  args.GetReturnValue().Set(v8_num(102));
+  return v8::Handle<Value>();
+}
+
+static void handle_callback(const v8::FunctionCallbackInfo<Value>& info) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(v8_str("bad value"));
+  info.GetReturnValue().Set(v8_num(102));
+}
+
 
 static v8::Handle<Value> construct_call(const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
   args.This()->Set(v8_str("x"), v8_num(1));
   args.This()->Set(v8_str("y"), v8_num(2));
+  args.GetReturnValue().Set(v8_str("bad value"));
   return args.This();
 }
 
-static v8::Handle<Value> Return239(Local<String> name, const AccessorInfo&) {
+static v8::Handle<Value> construct_call_indirect(const v8::Arguments& args) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
+  args.This()->Set(v8_str("x"), v8_num(1));
+  args.This()->Set(v8_str("y"), v8_num(2));
+  args.GetReturnValue().Set(v8_str("bad value"));
+  args.GetReturnValue().Set(args.This());
+  return v8::Handle<Value>();
+}
+
+static void construct_callback(
+    const v8::FunctionCallbackInfo<Value>& info) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  info.This()->Set(v8_str("x"), v8_num(1));
+  info.This()->Set(v8_str("y"), v8_num(2));
+  info.GetReturnValue().Set(v8_str("bad value"));
+  info.GetReturnValue().Set(info.This());
+}
+
+
+static v8::Handle<Value> Return239(
+    Local<String> name, const AccessorInfo& info) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(v8_str("bad value"));
   return v8_num(239);
 }
 
+static v8::Handle<Value> Return239Indirect(
+    Local<String> name, const AccessorInfo& info) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  Handle<Value> value = v8_num(239);
+  info.GetReturnValue().Set(v8_str("bad value"));
+  info.GetReturnValue().Set(value);
+  return v8::Handle<Value>();
+}
 
-THREADED_TEST(FunctionTemplate) {
-  LocalContext env;
-  v8::HandleScope scope(env->GetIsolate());
+static void Return239Callback(
+    Local<String> name, const v8::PropertyCallbackInfo<Value>& info) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(v8_str("bad value"));
+  info.GetReturnValue().Set(v8_num(239));
+}
+
+
+template<typename Handler>
+static void TestFunctionTemplateInitializer(Handler handler) {
+  // Test constructor calls.
   {
+    LocalContext env;
+    v8::HandleScope scope(env->GetIsolate());
     Local<v8::FunctionTemplate> fun_templ =
-        v8::FunctionTemplate::New(handle_call);
+        v8::FunctionTemplate::New(handler);
     Local<Function> fun = fun_templ->GetFunction();
     env->Global()->Set(v8_str("obj"), fun);
     Local<Script> script = v8_compile("obj()");
-    CHECK_EQ(102, script->Run()->Int32Value());
+    for (int i = 0; i < 30; i++) {
+      CHECK_EQ(102, script->Run()->Int32Value());
+    }
   }
   // Use SetCallHandler to initialize a function template, should work like the
   // previous one.
   {
+    LocalContext env;
+    v8::HandleScope scope(env->GetIsolate());
     Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New();
-    fun_templ->SetCallHandler(handle_call);
+    fun_templ->SetCallHandler(handler);
     Local<Function> fun = fun_templ->GetFunction();
     env->Global()->Set(v8_str("obj"), fun);
     Local<Script> script = v8_compile("obj()");
-    CHECK_EQ(102, script->Run()->Int32Value());
+    for (int i = 0; i < 30; i++) {
+      CHECK_EQ(102, script->Run()->Int32Value());
+    }
   }
-  // Test constructor calls.
-  {
-    Local<v8::FunctionTemplate> fun_templ =
-        v8::FunctionTemplate::New(construct_call);
-    fun_templ->SetClassName(v8_str("funky"));
-    fun_templ->InstanceTemplate()->SetAccessor(v8_str("m"), Return239);
-    Local<Function> fun = fun_templ->GetFunction();
-    env->Global()->Set(v8_str("obj"), fun);
-    Local<Script> script = v8_compile("var s = new obj(); s.x");
+}
+
+
+template<typename Constructor, typename Accessor>
+static void TestFunctionTemplateAccessor(Constructor constructor,
+                                         Accessor accessor) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<v8::FunctionTemplate> fun_templ =
+      v8::FunctionTemplate::New(constructor);
+  fun_templ->SetClassName(v8_str("funky"));
+  fun_templ->InstanceTemplate()->SetAccessor(v8_str("m"), accessor);
+  Local<Function> fun = fun_templ->GetFunction();
+  env->Global()->Set(v8_str("obj"), fun);
+  Local<Value> result = v8_compile("(new obj()).toString()")->Run();
+  CHECK_EQ(v8_str("[object funky]"), result);
+  CompileRun("var obj_instance = new obj();");
+  Local<Script> script;
+  script = v8_compile("obj_instance.x");
+  for (int i = 0; i < 30; i++) {
     CHECK_EQ(1, script->Run()->Int32Value());
+  }
+  script = v8_compile("obj_instance.m");
+  for (int i = 0; i < 30; i++) {
+    CHECK_EQ(239, script->Run()->Int32Value());
+  }
+}
+
+
+THREADED_TEST(FunctionTemplate) {
+  TestFunctionTemplateInitializer(handle_call);
+  TestFunctionTemplateInitializer(handle_call_indirect);
+  TestFunctionTemplateInitializer(handle_callback);
+
+  TestFunctionTemplateAccessor(construct_call, Return239);
+  TestFunctionTemplateAccessor(construct_call_indirect, Return239Indirect);
+  TestFunctionTemplateAccessor(construct_callback, Return239Callback);
+}
+
+
+static v8::Handle<v8::Value> SimpleDirectCallback(const v8::Arguments& args) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
+  args.GetReturnValue().Set(v8_str("bad value"));
+  return v8_num(51423 + args.Length());
+}
+
+static v8::Handle<v8::Value> SimpleIndirectCallback(const v8::Arguments& args) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
+  args.GetReturnValue().Set(v8_num(51423 + args.Length()));
+  return v8::Handle<v8::Value>();
+}
+
+static void SimpleCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(v8_num(51423 + info.Length()));
+}
 
-    Local<Value> result = v8_compile("(new obj()).toString()")->Run();
-    CHECK_EQ(v8_str("[object funky]"), result);
 
-    result = v8_compile("(new obj()).m")->Run();
-    CHECK_EQ(239, result->Int32Value());
+template<typename Callback>
+static void TestSimpleCallback(Callback callback) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  v8::Handle<v8::ObjectTemplate> object_template = v8::ObjectTemplate::New();
+  object_template->Set("callback", v8::FunctionTemplate::New(callback));
+  v8::Local<v8::Object> object = object_template->NewInstance();
+  (*env)->Global()->Set(v8_str("callback_object"), object);
+  v8::Handle<v8::Script> script;
+  script = v8_compile("callback_object.callback(17)");
+  for (int i = 0; i < 30; i++) {
+    CHECK_EQ(51424, script->Run()->Int32Value());
+  }
+  script = v8_compile("callback_object.callback(17, 24)");
+  for (int i = 0; i < 30; i++) {
+    CHECK_EQ(51425, script->Run()->Int32Value());
   }
 }
 
 
+THREADED_TEST(SimpleCallback) {
+  TestSimpleCallback(SimpleDirectCallback);
+  TestSimpleCallback(SimpleIndirectCallback);
+  TestSimpleCallback(SimpleCallback);
+}
+
+
 THREADED_TEST(FunctionTemplateSetLength) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
@@ -4649,7 +4794,10 @@ THREADED_TEST(SetterOnly) {
 THREADED_TEST(NoAccessors) {
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   Local<ObjectTemplate> templ = ObjectTemplate::New();
-  templ->SetAccessor(v8_str("x"), NULL, NULL, v8_str("donut"));
+  templ->SetAccessor(v8_str("x"),
+                     static_cast<v8::AccessorGetter>(NULL),
+                     NULL,
+                     v8_str("donut"));
   LocalContext context;
   context->Global()->Set(v8_str("obj"), templ->NewInstance());
   Local<Script> script = Script::Compile(v8_str("obj.x = 4; obj.x"));
@@ -5308,8 +5456,7 @@ THREADED_TEST(UndetectableObject) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  Local<v8::FunctionTemplate> desc =
-      v8::FunctionTemplate::New(0, v8::Handle<Value>());
+  Local<v8::FunctionTemplate> desc = v8::FunctionTemplate::New();
   desc->InstanceTemplate()->MarkAsUndetectable();  // undetectable
 
   Local<v8::Object> obj = desc->GetFunction()->NewInstance();
@@ -5352,8 +5499,7 @@ THREADED_TEST(VoidLiteral) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  Local<v8::FunctionTemplate> desc =
-      v8::FunctionTemplate::New(0, v8::Handle<Value>());
+  Local<v8::FunctionTemplate> desc = v8::FunctionTemplate::New();
   desc->InstanceTemplate()->MarkAsUndetectable();  // undetectable
 
   Local<v8::Object> obj = desc->GetFunction()->NewInstance();
@@ -5396,8 +5542,7 @@ THREADED_TEST(ExtensibleOnUndetectable) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  Local<v8::FunctionTemplate> desc =
-      v8::FunctionTemplate::New(0, v8::Handle<Value>());
+  Local<v8::FunctionTemplate> desc = v8::FunctionTemplate::New();
   desc->InstanceTemplate()->MarkAsUndetectable();  // undetectable
 
   Local<v8::Object> obj = desc->GetFunction()->NewInstance();
@@ -10398,6 +10543,7 @@ THREADED_TEST(InterceptorCallICCachedFromGlobal) {
 static v8::Handle<Value> InterceptorCallICFastApi(Local<String> name,
                                                   const AccessorInfo& info) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(info);
   int* call_count =
       reinterpret_cast<int*>(v8::External::Cast(*info.Data())->Value());
   ++(*call_count);
@@ -10410,6 +10556,7 @@ static v8::Handle<Value> InterceptorCallICFastApi(Local<String> name,
 static v8::Handle<Value> FastApiCallback_TrivialSignature(
     const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   CHECK_EQ(isolate, args.GetIsolate());
   CHECK_EQ(args.This(), args.Holder());
@@ -10420,6 +10567,7 @@ static v8::Handle<Value> FastApiCallback_TrivialSignature(
 static v8::Handle<Value> FastApiCallback_SimpleSignature(
     const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
+  CheckReturnValue(args);
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   CHECK_EQ(isolate, args.GetIsolate());
   CHECK_EQ(args.This()->GetPrototype(), args.Holder());
@@ -10497,29 +10645,59 @@ THREADED_TEST(CallICFastApi_DirectCall_Throw) {
 }
 
 
-v8::Handle<v8::Value> DirectGetterCallback(Local<String> name,
-                                           const v8::AccessorInfo& info) {
+static Handle<Value> DoDirectGetter() {
   if (++p_getter_count % 3 == 0) {
     HEAP->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
     GenerateSomeGarbage();
   }
+  return v8_str("Direct Getter Result");
+}
+
+static v8::Handle<v8::Value> DirectGetter(Local<String> name,
+                                  const v8::AccessorInfo& info) {
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(v8_str("Garbage"));
+  return DoDirectGetter();
+}
+
+static v8::Handle<v8::Value> DirectGetterIndirect(
+    Local<String> name,
+    const v8::AccessorInfo& info) {
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(DoDirectGetter());
   return v8::Handle<v8::Value>();
 }
 
+static void DirectGetterCallback(
+    Local<String> name,
+    const v8::PropertyCallbackInfo<v8::Value>& info) {
+  CheckReturnValue(info);
+  info.GetReturnValue().Set(DoDirectGetter());
+}
 
-THREADED_TEST(LoadICFastApi_DirectCall_GCMoveStub) {
+
+template<typename Accessor>
+static void LoadICFastApi_DirectCall_GCMoveStub(Accessor accessor) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::Handle<v8::ObjectTemplate> obj = v8::ObjectTemplate::New();
-  obj->SetAccessor(v8_str("p1"), DirectGetterCallback);
+  obj->SetAccessor(v8_str("p1"), accessor);
   context->Global()->Set(v8_str("o1"), obj->NewInstance());
   p_getter_count = 0;
-  CompileRun(
+  v8::Handle<v8::Value> result = CompileRun(
       "function f() {"
       "  for (var i = 0; i < 30; i++) o1.p1;"
+      "  return o1.p1"
       "}"
       "f();");
-  CHECK_EQ(30, p_getter_count);
+  CHECK_EQ(v8_str("Direct Getter Result"), result);
+  CHECK_EQ(31, p_getter_count);
+}
+
+THREADED_TEST(LoadICFastApi_DirectCall_GCMoveStub) {
+  LoadICFastApi_DirectCall_GCMoveStub(DirectGetterIndirect);
+  LoadICFastApi_DirectCall_GCMoveStub(DirectGetterCallback);
+  LoadICFastApi_DirectCall_GCMoveStub(DirectGetter);
 }
 
 
@@ -11198,7 +11376,7 @@ THREADED_TEST(InterceptorICSetterExceptions) {
 THREADED_TEST(NullNamedInterceptor) {
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
-  templ->SetNamedPropertyHandler(0);
+  templ->SetNamedPropertyHandler(static_cast<v8::NamedPropertyGetter>(0));
   LocalContext context;
   templ->Set("x", v8_num(42));
   v8::Handle<v8::Object> obj = templ->NewInstance();
@@ -11213,7 +11391,7 @@ THREADED_TEST(NullNamedInterceptor) {
 THREADED_TEST(NullIndexedInterceptor) {
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
-  templ->SetIndexedPropertyHandler(0);
+  templ->SetIndexedPropertyHandler(static_cast<v8::IndexedPropertyGetter>(0));
   LocalContext context;
   templ->Set("42", v8_num(42));
   v8::Handle<v8::Object> obj = templ->NewInstance();